The water in the Martian Channel was frozen. True or false

Why is this statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive. a. it is a well-known fact. b. it is a proven theory. c. it is not falsifiable. d. it is difficult to test.

The judicial system of courts derives its powers from what article of the constitution

According to the aztec history, how did the aztecs know where to build their new city of tenochtitlan? why was this a good location?